题目内容
| 写出分数或小数. 3.5= | 0.6= | 0.125= | ||||
3
|
| 3.25= | ||||
| 0.625= | 5.625= |
| ||||
| 2.875= |
考点:小数与分数的互化
专题:运算顺序及法则
分析:把小数化成分数,原来有几位小数就在1的后面添上几个0作分母,把原来的小数去掉小数点作分子,能约分的要约分.把分数化成小数用分子除以分母.据此解答.
解答:
解:3.5=3
,
0.6=
=
,
0.125=
=
,
3
=3.625,
=3÷8=0.375,
3.25=3
=3
,
0.625=
=
,
5.625=5
=5
,
=7÷8=0.875,
2.875=2
=2
.
故答案为:3
,
,
,3.625,0.375,3
,
,5
,0.875,2
.
| 1 |
| 2 |
0.6=
| 6 |
| 10 |
| 3 |
| 5 |
0.125=
| 125 |
| 1000 |
| 1 |
| 8 |
3
| 5 |
| 8 |
| 3 |
| 8 |
3.25=3
| 25 |
| 100 |
| 1 |
| 4 |
0.625=
| 625 |
| 1000 |
| 5 |
| 8 |
5.625=5
| 625 |
| 1000 |
| 5 |
| 8 |
| 7 |
| 8 |
2.875=2
| 875 |
| 1000 |
| 7 |
| 8 |
故答案为:3
| 1 |
| 2 |
| 3 |
| 5 |
| 1 |
| 8 |
| 1 |
| 4 |
| 5 |
| 8 |
| 5 |
| 8 |
| 7 |
| 8 |
点评:此题考查的目的是理解掌握分数与小数的互化方法,并且能够正确熟练地进行互化.
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